The correct answer is D) Local leaders used bribery to gain power to challenge the throne.
A series of weak emperors affected the Han dynasty in that local leaders used bribery to gain power to challenge the throne.
However, we have to consider that the collapse of the Hang Dynasty in ancient China was the combination of several factors, not just one.
Of course, weak and bad rulers did not have the leadership and vision to maintain the privileged economic and political situation that inherited. Bu also corruption and bribes. There was also the empress's influence in decisions and the eunuchs that lived in the court that considered that they were too young to be the emperors. And of course, let's not forget the importance and consequences of the Yellow Turban Revolt, a peasant rebellion in the year 184.
French were the first to explore Louisiana. The French explorer Robert Cavelier de la salle named the region Louisiana in 1682 to honor France's King Louis XIV.
The answer to this question is B. Elevators
One of the reason why skyscrapers were not popular before the invention of elevators was that it took too much energy to move from the groud floor to the upper floor with the stairs alone.
After the invention of elevators, we eliminate this problem and people could move from ground floor to upper floor with only little effort.
